OLD | NEW |
1 #!/bin/sh | 1 #!/bin/sh |
2 # install - install a program, script, or datafile | 2 # install - install a program, script, or datafile |
3 | 3 |
4 scriptversion=2006-12-25.00 | 4 scriptversion=2005-05-14.22 |
5 | 5 |
6 # This originates from X11R5 (mit/util/scripts/install.sh), which was | 6 # This originates from X11R5 (mit/util/scripts/install.sh), which was |
7 # later released in X11R6 (xc/config/util/install.sh) with the | 7 # later released in X11R6 (xc/config/util/install.sh) with the |
8 # following copyright and license. | 8 # following copyright and license. |
9 # | 9 # |
10 # Copyright (C) 1994 X Consortium | 10 # Copyright (C) 1994 X Consortium |
11 # | 11 # |
12 # Permission is hereby granted, free of charge, to any person obtaining a copy | 12 # Permission is hereby granted, free of charge, to any person obtaining a copy |
13 # of this software and associated documentation files (the "Software"), to | 13 # of this software and associated documentation files (the "Software"), to |
14 # deal in the Software without restriction, including without limitation the | 14 # deal in the Software without restriction, including without limitation the |
(...skipping 17 matching lines...) Expand all Loading... |
32 # tium. | 32 # tium. |
33 # | 33 # |
34 # | 34 # |
35 # FSF changes to this file are in the public domain. | 35 # FSF changes to this file are in the public domain. |
36 # | 36 # |
37 # Calling this script install-sh is preferred over install.sh, to prevent | 37 # Calling this script install-sh is preferred over install.sh, to prevent |
38 # `make' implicit rules from creating a file called install from it | 38 # `make' implicit rules from creating a file called install from it |
39 # when there is no Makefile. | 39 # when there is no Makefile. |
40 # | 40 # |
41 # This script is compatible with the BSD install script, but was written | 41 # This script is compatible with the BSD install script, but was written |
42 # from scratch. | 42 # from scratch. It can only install one file at a time, a restriction |
43 | 43 # shared with many OS's install programs. |
44 nl=' | |
45 ' | |
46 IFS=" ""» $nl" | |
47 | 44 |
48 # set DOITPROG to echo to test this script | 45 # set DOITPROG to echo to test this script |
49 | 46 |
50 # Don't use :- since 4.3BSD and earlier shells don't like it. | 47 # Don't use :- since 4.3BSD and earlier shells don't like it. |
51 doit=${DOITPROG-} | 48 doit="${DOITPROG-}" |
52 if test -z "$doit"; then | |
53 doit_exec=exec | |
54 else | |
55 doit_exec=$doit | |
56 fi | |
57 | 49 |
58 # Put in absolute file names if you don't have them in your path; | 50 # put in absolute paths if you don't have them in your path; or use env. vars. |
59 # or use environment vars. | |
60 | 51 |
61 chgrpprog=${CHGRPPROG-chgrp} | 52 mvprog="${MVPROG-mv}" |
62 chmodprog=${CHMODPROG-chmod} | 53 cpprog="${CPPROG-cp}" |
63 chownprog=${CHOWNPROG-chown} | 54 chmodprog="${CHMODPROG-chmod}" |
64 cmpprog=${CMPPROG-cmp} | 55 chownprog="${CHOWNPROG-chown}" |
65 cpprog=${CPPROG-cp} | 56 chgrpprog="${CHGRPPROG-chgrp}" |
66 mkdirprog=${MKDIRPROG-mkdir} | 57 stripprog="${STRIPPROG-strip}" |
67 mvprog=${MVPROG-mv} | 58 rmprog="${RMPROG-rm}" |
68 rmprog=${RMPROG-rm} | 59 mkdirprog="${MKDIRPROG-mkdir}" |
69 stripprog=${STRIPPROG-strip} | |
70 | 60 |
71 posix_glob='?' | 61 chmodcmd="$chmodprog 0755" |
72 initialize_posix_glob=' | 62 chowncmd= |
73 test "$posix_glob" != "?" || { | |
74 if (set -f) 2>/dev/null; then | |
75 posix_glob= | |
76 else | |
77 posix_glob=: | |
78 fi | |
79 } | |
80 ' | |
81 | |
82 posix_mkdir= | |
83 | |
84 # Desired mode of installed file. | |
85 mode=0755 | |
86 | |
87 chgrpcmd= | 63 chgrpcmd= |
88 chmodcmd=$chmodprog | 64 stripcmd= |
89 chowncmd= | |
90 mvcmd=$mvprog | |
91 rmcmd="$rmprog -f" | 65 rmcmd="$rmprog -f" |
92 stripcmd= | 66 mvcmd="$mvprog" |
93 | |
94 src= | 67 src= |
95 dst= | 68 dst= |
96 dir_arg= | 69 dir_arg= |
97 dst_arg= | 70 dstarg= |
98 | |
99 copy_on_change=false | |
100 no_target_directory= | 71 no_target_directory= |
101 | 72 |
102 usage="\ | 73 usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE |
103 Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE | |
104 or: $0 [OPTION]... SRCFILES... DIRECTORY | 74 or: $0 [OPTION]... SRCFILES... DIRECTORY |
105 or: $0 [OPTION]... -t DIRECTORY SRCFILES... | 75 or: $0 [OPTION]... -t DIRECTORY SRCFILES... |
106 or: $0 [OPTION]... -d DIRECTORIES... | 76 or: $0 [OPTION]... -d DIRECTORIES... |
107 | 77 |
108 In the 1st form, copy SRCFILE to DSTFILE. | 78 In the 1st form, copy SRCFILE to DSTFILE. |
109 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. | 79 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. |
110 In the 4th, create DIRECTORIES. | 80 In the 4th, create DIRECTORIES. |
111 | 81 |
112 Options: | 82 Options: |
113 --help display this help and exit. | 83 -c (ignored) |
114 --version display version info and exit. | 84 -d create directories instead of installing files. |
115 | 85 -g GROUP $chgrpprog installed files to GROUP. |
116 -c (ignored) | 86 -m MODE $chmodprog installed files to MODE. |
117 -C install only if different (preserve the last data modification t
ime) | 87 -o USER $chownprog installed files to USER. |
118 -d create directories instead of installing files. | 88 -s $stripprog installed files. |
119 -g GROUP $chgrpprog installed files to GROUP. | 89 -t DIRECTORY install into DIRECTORY. |
120 -m MODE $chmodprog installed files to MODE. | 90 -T report an error if DSTFILE is a directory. |
121 -o USER $chownprog installed files to USER. | 91 --help display this help and exit. |
122 -s $stripprog installed files. | 92 --version display version info and exit. |
123 -t DIRECTORY install into DIRECTORY. | |
124 -T report an error if DSTFILE is a directory. | |
125 | 93 |
126 Environment variables override the default commands: | 94 Environment variables override the default commands: |
127 CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG | 95 CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG |
128 RMPROG STRIPPROG | |
129 " | 96 " |
130 | 97 |
131 while test $# -ne 0; do | 98 while test -n "$1"; do |
132 case $1 in | 99 case $1 in |
133 -c) ;; | 100 -c) shift |
| 101 continue;; |
134 | 102 |
135 -C) copy_on_change=true;; | 103 -d) dir_arg=true |
136 | 104 shift |
137 -d) dir_arg=true;; | 105 continue;; |
138 | 106 |
139 -g) chgrpcmd="$chgrpprog $2" | 107 -g) chgrpcmd="$chgrpprog $2" |
140 » shift;; | 108 shift |
| 109 shift |
| 110 continue;; |
141 | 111 |
142 --help) echo "$usage"; exit $?;; | 112 --help) echo "$usage"; exit $?;; |
143 | 113 |
144 -m) mode=$2 | 114 -m) chmodcmd="$chmodprog $2" |
145 » case $mode in | 115 shift |
146 » *' '* | *'» '* | *' | 116 shift |
147 '*» | *'*'* | *'?'* | *'['*) | 117 continue;; |
148 » echo "$0: invalid mode: $mode" >&2 | |
149 » exit 1;; | |
150 » esac | |
151 » shift;; | |
152 | 118 |
153 -o) chowncmd="$chownprog $2" | 119 -o) chowncmd="$chownprog $2" |
154 » shift;; | 120 shift |
| 121 shift |
| 122 continue;; |
155 | 123 |
156 -s) stripcmd=$stripprog;; | 124 -s) stripcmd=$stripprog |
| 125 shift |
| 126 continue;; |
157 | 127 |
158 -t) dst_arg=$2 | 128 -t) dstarg=$2 |
159 » shift;; | 129 » shift |
| 130 » shift |
| 131 » continue;; |
160 | 132 |
161 -T) no_target_directory=true;; | 133 -T) no_target_directory=true |
| 134 » shift |
| 135 » continue;; |
162 | 136 |
163 --version) echo "$0 $scriptversion"; exit $?;; | 137 --version) echo "$0 $scriptversion"; exit $?;; |
164 | 138 |
165 --)»shift | 139 *) # When -d is used, all remaining arguments are directories to create. |
| 140 » # When -t is used, the destination is already specified. |
| 141 » test -n "$dir_arg$dstarg" && break |
| 142 # Otherwise, the last argument is the destination. Remove it from $@. |
| 143 » for arg |
| 144 » do |
| 145 if test -n "$dstarg"; then |
| 146 » # $@ is not empty: it contains at least $arg. |
| 147 » set fnord "$@" "$dstarg" |
| 148 » shift # fnord |
| 149 » fi |
| 150 » shift # arg |
| 151 » dstarg=$arg |
| 152 » done |
166 break;; | 153 break;; |
167 | |
168 -*) echo "$0: invalid option: $1" >&2 | |
169 exit 1;; | |
170 | |
171 *) break;; | |
172 esac | 154 esac |
173 shift | |
174 done | 155 done |
175 | 156 |
176 if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then | 157 if test -z "$1"; then |
177 # When -d is used, all remaining arguments are directories to create. | |
178 # When -t is used, the destination is already specified. | |
179 # Otherwise, the last argument is the destination. Remove it from $@. | |
180 for arg | |
181 do | |
182 if test -n "$dst_arg"; then | |
183 # $@ is not empty: it contains at least $arg. | |
184 set fnord "$@" "$dst_arg" | |
185 shift # fnord | |
186 fi | |
187 shift # arg | |
188 dst_arg=$arg | |
189 done | |
190 fi | |
191 | |
192 if test $# -eq 0; then | |
193 if test -z "$dir_arg"; then | 158 if test -z "$dir_arg"; then |
194 echo "$0: no input file specified." >&2 | 159 echo "$0: no input file specified." >&2 |
195 exit 1 | 160 exit 1 |
196 fi | 161 fi |
197 # It's OK to call `install-sh -d' without argument. | 162 # It's OK to call `install-sh -d' without argument. |
198 # This can happen when creating conditional directories. | 163 # This can happen when creating conditional directories. |
199 exit 0 | 164 exit 0 |
200 fi | 165 fi |
201 | 166 |
202 if test -z "$dir_arg"; then | |
203 trap '(exit $?); exit' 1 2 13 15 | |
204 | |
205 # Set umask so as not to create temps with too-generous modes. | |
206 # However, 'strip' requires both read and write access to temps. | |
207 case $mode in | |
208 # Optimize common cases. | |
209 *644) cp_umask=133;; | |
210 *755) cp_umask=22;; | |
211 | |
212 *[0-7]) | |
213 if test -z "$stripcmd"; then | |
214 u_plus_rw= | |
215 else | |
216 u_plus_rw='% 200' | |
217 fi | |
218 cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; | |
219 *) | |
220 if test -z "$stripcmd"; then | |
221 u_plus_rw= | |
222 else | |
223 u_plus_rw=,u+rw | |
224 fi | |
225 cp_umask=$mode$u_plus_rw;; | |
226 esac | |
227 fi | |
228 | |
229 for src | 167 for src |
230 do | 168 do |
231 # Protect names starting with `-'. | 169 # Protect names starting with `-'. |
232 case $src in | 170 case $src in |
233 -*) src=./$src;; | 171 -*) src=./$src ;; |
234 esac | 172 esac |
235 | 173 |
236 if test -n "$dir_arg"; then | 174 if test -n "$dir_arg"; then |
237 dst=$src | 175 dst=$src |
238 dstdir=$dst | 176 src= |
239 test -d "$dstdir" | 177 |
240 dstdir_status=$? | 178 if test -d "$dst"; then |
| 179 mkdircmd=: |
| 180 chmodcmd= |
| 181 else |
| 182 mkdircmd=$mkdirprog |
| 183 fi |
241 else | 184 else |
242 | |
243 # Waiting for this to be detected by the "$cpprog $src $dsttmp" command | 185 # Waiting for this to be detected by the "$cpprog $src $dsttmp" command |
244 # might cause directories to be created, which would be especially bad | 186 # might cause directories to be created, which would be especially bad |
245 # if $src (and thus $dsttmp) contains '*'. | 187 # if $src (and thus $dsttmp) contains '*'. |
246 if test ! -f "$src" && test ! -d "$src"; then | 188 if test ! -f "$src" && test ! -d "$src"; then |
247 echo "$0: $src does not exist." >&2 | 189 echo "$0: $src does not exist." >&2 |
248 exit 1 | 190 exit 1 |
249 fi | 191 fi |
250 | 192 |
251 if test -z "$dst_arg"; then | 193 if test -z "$dstarg"; then |
252 echo "$0: no destination specified." >&2 | 194 echo "$0: no destination specified." >&2 |
253 exit 1 | 195 exit 1 |
254 fi | 196 fi |
255 | 197 |
256 dst=$dst_arg | 198 dst=$dstarg |
257 # Protect names starting with `-'. | 199 # Protect names starting with `-'. |
258 case $dst in | 200 case $dst in |
259 -*) dst=./$dst;; | 201 -*) dst=./$dst ;; |
260 esac | 202 esac |
261 | 203 |
262 # If destination is a directory, append the input filename; won't work | 204 # If destination is a directory, append the input filename; won't work |
263 # if double slashes aren't ignored. | 205 # if double slashes aren't ignored. |
264 if test -d "$dst"; then | 206 if test -d "$dst"; then |
265 if test -n "$no_target_directory"; then | 207 if test -n "$no_target_directory"; then |
266 » echo "$0: $dst_arg: Is a directory" >&2 | 208 » echo "$0: $dstarg: Is a directory" >&2 |
267 exit 1 | 209 exit 1 |
268 fi | 210 fi |
269 dstdir=$dst | 211 dst=$dst/`basename "$src"` |
270 dst=$dstdir/`basename "$src"` | |
271 dstdir_status=0 | |
272 else | |
273 # Prefer dirname, but fall back on a substitute if dirname fails. | |
274 dstdir=` | |
275 » (dirname "$dst") 2>/dev/null || | |
276 » expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ | |
277 » X"$dst" : 'X\(//\)[^/]' \| \ | |
278 » X"$dst" : 'X\(//\)$' \| \ | |
279 » X"$dst" : 'X\(/\)' \| . 2>/dev/null || | |
280 » echo X"$dst" | | |
281 » sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ | |
282 » » s//\1/ | |
283 » » q | |
284 » » } | |
285 » » /^X\(\/\/\)[^/].*/{ | |
286 » » s//\1/ | |
287 » » q | |
288 » » } | |
289 » » /^X\(\/\/\)$/{ | |
290 » » s//\1/ | |
291 » » q | |
292 » » } | |
293 » » /^X\(\/\).*/{ | |
294 » » s//\1/ | |
295 » » q | |
296 » » } | |
297 » » s/.*/./; q' | |
298 ` | |
299 | |
300 test -d "$dstdir" | |
301 dstdir_status=$? | |
302 fi | 212 fi |
303 fi | 213 fi |
304 | 214 |
305 obsolete_mkdir_used=false | 215 # This sed command emulates the dirname command. |
| 216 dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'` |
306 | 217 |
307 if test $dstdir_status != 0; then | 218 # Make sure that the destination directory exists. |
308 case $posix_mkdir in | |
309 '') | |
310 » # Create intermediate dirs using mode 755 as modified by the umask. | |
311 » # This is like FreeBSD 'install' as of 1997-10-28. | |
312 » umask=`umask` | |
313 » case $stripcmd.$umask in | |
314 » # Optimize common cases. | |
315 » *[2367][2367]) mkdir_umask=$umask;; | |
316 » .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; | |
317 | 219 |
318 » *[0-7]) | 220 # Skip lots of stat calls in the usual case. |
319 » mkdir_umask=`expr $umask + 22 \ | 221 if test ! -d "$dstdir"; then |
320 » - $umask % 100 % 40 + $umask % 20 \ | 222 defaultIFS=' |
321 » - $umask % 10 % 4 + $umask % 2 | 223 » ' |
322 » `;; | 224 IFS="${IFS-$defaultIFS}" |
323 » *) mkdir_umask=$umask,go-w;; | |
324 » esac | |
325 | 225 |
326 » # With -d, create the new directory with the user-specified mode. | 226 oIFS=$IFS |
327 » # Otherwise, rely on $mkdir_umask. | 227 # Some sh's can't handle IFS=/ for some reason. |
328 » if test -n "$dir_arg"; then | 228 IFS='%' |
329 » mkdir_mode=-m$mode | 229 set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` |
330 » else | 230 shift |
331 » mkdir_mode= | 231 IFS=$oIFS |
332 » fi | |
333 | 232 |
334 » posix_mkdir=false | 233 pathcomp= |
335 » case $umask in | |
336 » *[123567][0-7][0-7]) | |
337 » # POSIX mkdir -p sets u+wx bits regardless of umask, which | |
338 » # is incompatible with FreeBSD 'install' when (umask & 300) != 0. | |
339 » ;; | |
340 » *) | |
341 » tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ | |
342 » trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0 | |
343 | 234 |
344 » if (umask $mkdir_umask && | 235 while test $# -ne 0 ; do |
345 » » exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1 | 236 pathcomp=$pathcomp$1 |
346 » then | |
347 » if test -z "$dir_arg" || { | |
348 » » # Check for POSIX incompatibilities with -m. | |
349 » » # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or | |
350 » » # other-writeable bit of parent directory when it shouldn't. | |
351 » » # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. | |
352 » » ls_ld_tmpdir=`ls -ld "$tmpdir"` | |
353 » » case $ls_ld_tmpdir in | |
354 » » d????-?r-*) different_mode=700;; | |
355 » » d????-?--*) different_mode=755;; | |
356 » » *) false;; | |
357 » » esac && | |
358 » » $mkdirprog -m$different_mode -p -- "$tmpdir" && { | |
359 » » ls_ld_tmpdir_1=`ls -ld "$tmpdir"` | |
360 » » test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" | |
361 » » } | |
362 » » } | |
363 » then posix_mkdir=: | |
364 » fi | |
365 » rmdir "$tmpdir/d" "$tmpdir" | |
366 » else | |
367 » # Remove any dirs left behind by ancient mkdir implementations. | |
368 » rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null | |
369 » fi | |
370 » trap '' 0;; | |
371 » esac;; | |
372 esac | |
373 | |
374 if | |
375 $posix_mkdir && ( | |
376 » umask $mkdir_umask && | |
377 » $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" | |
378 ) | |
379 then : | |
380 else | |
381 | |
382 # The umask is ridiculous, or mkdir does not conform to POSIX, | |
383 # or it failed possibly due to a race condition. Create the | |
384 # directory the slow way, step by step, checking for races as we go. | |
385 | |
386 case $dstdir in | |
387 » /*) prefix='/';; | |
388 » -*) prefix='./';; | |
389 » *) prefix='';; | |
390 esac | |
391 | |
392 eval "$initialize_posix_glob" | |
393 | |
394 oIFS=$IFS | |
395 IFS=/ | |
396 $posix_glob set -f | |
397 set fnord $dstdir | |
398 shift | 237 shift |
399 $posix_glob set +f | 238 if test ! -d "$pathcomp"; then |
400 IFS=$oIFS | 239 $mkdirprog "$pathcomp" |
401 | 240 » # mkdir can fail with a `File exist' error in case several |
402 prefixes= | 241 » # install-sh are creating the directory concurrently. This |
403 | 242 » # is OK. |
404 for d | 243 » test -d "$pathcomp" || exit |
405 do | |
406 » test -z "$d" && continue | |
407 | |
408 » prefix=$prefix$d | |
409 » if test -d "$prefix"; then | |
410 » prefixes= | |
411 » else | |
412 » if $posix_mkdir; then | |
413 » (umask=$mkdir_umask && | |
414 » $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break | |
415 » # Don't fail if two instances are running concurrently. | |
416 » test -d "$prefix" || exit 1 | |
417 » else | |
418 » case $prefix in | |
419 » *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; | |
420 » *) qprefix=$prefix;; | |
421 » esac | |
422 » prefixes="$prefixes '$qprefix'" | |
423 » fi | |
424 » fi | |
425 » prefix=$prefix/ | |
426 done | |
427 | |
428 if test -n "$prefixes"; then | |
429 » # Don't fail if two instances are running concurrently. | |
430 » (umask $mkdir_umask && | |
431 » eval "\$doit_exec \$mkdirprog $prefixes") || | |
432 » test -d "$dstdir" || exit 1 | |
433 » obsolete_mkdir_used=true | |
434 fi | 244 fi |
435 fi | 245 pathcomp=$pathcomp/ |
| 246 done |
436 fi | 247 fi |
437 | 248 |
438 if test -n "$dir_arg"; then | 249 if test -n "$dir_arg"; then |
439 { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && | 250 $doit $mkdircmd "$dst" \ |
440 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && | 251 && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \ |
441 { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || | 252 && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \ |
442 test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 | 253 && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \ |
| 254 && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; } |
| 255 |
443 else | 256 else |
| 257 dstfile=`basename "$dst"` |
444 | 258 |
445 # Make a couple of temp file names in the proper directory. | 259 # Make a couple of temp file names in the proper directory. |
446 dsttmp=$dstdir/_inst.$$_ | 260 dsttmp=$dstdir/_inst.$$_ |
447 rmtmp=$dstdir/_rm.$$_ | 261 rmtmp=$dstdir/_rm.$$_ |
448 | 262 |
449 # Trap to clean up those temp files at exit. | 263 # Trap to clean up those temp files at exit. |
450 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 | 264 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 |
| 265 trap '(exit $?); exit' 1 2 13 15 |
451 | 266 |
452 # Copy the file name to the temp name. | 267 # Copy the file name to the temp name. |
453 (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && | 268 $doit $cpprog "$src" "$dsttmp" && |
454 | 269 |
455 # and set any options; do chmod last to preserve setuid bits. | 270 # and set any options; do chmod last to preserve setuid bits. |
456 # | 271 # |
457 # If any of these fail, we abort the whole thing. If we want to | 272 # If any of these fail, we abort the whole thing. If we want to |
458 # ignore errors from any of these, just make sure not to ignore | 273 # ignore errors from any of these, just make sure not to ignore |
459 # errors from the above "$doit $cpprog $src $dsttmp" command. | 274 # errors from the above "$doit $cpprog $src $dsttmp" command. |
460 # | 275 # |
461 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && | 276 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \ |
462 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && | 277 && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \ |
463 { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && | 278 && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \ |
464 { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && | 279 && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } && |
465 | 280 |
466 # If -C, don't bother to copy if it wouldn't change the file. | 281 # Now rename the file to the real destination. |
467 if $copy_on_change && | 282 { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \ |
468 old=`LC_ALL=C ls -dlL "$dst"» 2>/dev/null` && | 283 || { |
469 new=`LC_ALL=C ls -dlL "$dsttmp"» 2>/dev/null` && | 284 » # The rename failed, perhaps because mv can't rename something else |
| 285 » # to itself, or perhaps because mv is so ancient that it does not |
| 286 » # support -f. |
470 | 287 |
471 eval "$initialize_posix_glob" && | 288 » # Now remove or move aside any old file at destination location. |
472 $posix_glob set -f && | 289 » # We try this two ways since rm can't unlink itself on some |
473 set X $old && old=:$2:$4:$5:$6 && | 290 » # systems and the destination file might be busy for other |
474 set X $new && new=:$2:$4:$5:$6 && | 291 » # reasons. In this case, the final cleanup might fail but the new |
475 $posix_glob set +f && | 292 » # file should still install successfully. |
| 293 » { |
| 294 » if test -f "$dstdir/$dstfile"; then |
| 295 » $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \ |
| 296 » || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \ |
| 297 » || { |
| 298 » » echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 |
| 299 » » (exit 1); exit 1 |
| 300 » } |
| 301 » else |
| 302 » : |
| 303 » fi |
| 304 » } && |
476 | 305 |
477 test "$old" = "$new" && | 306 » # Now rename the file to the real destination. |
478 $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 | 307 » $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" |
479 then | 308 » } |
480 rm -f "$dsttmp" | 309 } |
481 else | 310 fi || { (exit 1); exit 1; } |
482 # Rename the file to the real destination. | 311 done |
483 $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || | |
484 | 312 |
485 # The rename failed, perhaps because mv can't rename something else | 313 # The final little trick to "correctly" pass the exit status to the exit trap. |
486 # to itself, or perhaps because mv is so ancient that it does not | 314 { |
487 # support -f. | 315 (exit 0); exit 0 |
488 { | 316 } |
489 » # Now remove or move aside any old file at destination location. | |
490 » # We try this two ways since rm can't unlink itself on some | |
491 » # systems and the destination file might be busy for other | |
492 » # reasons. In this case, the final cleanup might fail but the new | |
493 » # file should still install successfully. | |
494 » { | |
495 » test ! -f "$dst" || | |
496 » $doit $rmcmd -f "$dst" 2>/dev/null || | |
497 » { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && | |
498 » { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } | |
499 » } || | |
500 » { echo "$0: cannot unlink or rename $dst" >&2 | |
501 » (exit 1); exit 1 | |
502 » } | |
503 » } && | |
504 | |
505 » # Now rename the file to the real destination. | |
506 » $doit $mvcmd "$dsttmp" "$dst" | |
507 } | |
508 fi || exit 1 | |
509 | |
510 trap '' 0 | |
511 fi | |
512 done | |
513 | 317 |
514 # Local variables: | 318 # Local variables: |
515 # eval: (add-hook 'write-file-hooks 'time-stamp) | 319 # eval: (add-hook 'write-file-hooks 'time-stamp) |
516 # time-stamp-start: "scriptversion=" | 320 # time-stamp-start: "scriptversion=" |
517 # time-stamp-format: "%:y-%02m-%02d.%02H" | 321 # time-stamp-format: "%:y-%02m-%02d.%02H" |
518 # time-stamp-end: "$" | 322 # time-stamp-end: "$" |
519 # End: | 323 # End: |
OLD | NEW |